Organic matter comes from _____ sources

A) mineral
B) parent
C) living
D) rock


C

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A(n) ____________________ liquid consists of liquid drops suspended in air.

Fill in the blank(s) with the appropriate word(s).

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Have humans have been using irrigation systems for at least 8,000 years?

Indicate by YES (Y) or NO (N).

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The target organs for the parathyroid hormone and calcitonin are

A) bone. B) kidney. C) digestive system. D) kidneys, bone, and digestive system. E) none of these.

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Which ancient legal system provided the model for the Napoleonic Code (or civil code)?

a. Sumerian law b. Salic law c. Carolingian law d. Roman law

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